When you're having trouble getting that sound sleep your body craves, add some Zzzs to your night with ZzzQuil. ZzzQuil liquid capsule sleep aid works to help you fall asleep fast - in as little as 20 minutes - so you can get the sleep when you need it and wake refreshed. All ZzzQuil sleep aid products are non-habit forming and specifically formulated with clinically proven ingredients by our team of dedicated scientists. This ZzzQuil LiquiCap sleep aid contains a non-habit-forming ingredient, Diphenhydramine HCI, which causes drowsiness by blocking the action of histamine, a chemical that sends waking signals to the brain. For this sleep aid, each dose (2 LiquiCaps) contains 50mg. ZzzQuil LiquiCap sleep aid helps you get some shut-eye, so you can wake up feeling refreshed and ready to take on your day. These fast acting^ liquid sleep aid capsules can be used to treat occasional sleeplessness when you need a little extra help getting to sleep. ZzzQuil is the World's #1 Sleep Aid Brand! Explore ZzzQuil's range of products to help you fall asleep, including our line of ZzzQuil PURE Zzzs Melatonin products. Source Euromonitor International Limited; Consumer Health 2024 Edition; Sleep Aids, all channels, retail selling price, Global Brand Name ZzzQuil 2023 data^vs. placebo